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Karnataka Board PUCPUC Science Class 11

Differentiate between the following: Liverworts and Moss

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Question

Differentiate between the following:

Liverworts and Moss

Distinguish Between
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Solution

  Liverworts Moss
1. The gametophytic plant body might be foliose or thallose, such in the case of Riccia. The prostrate, branching filamentous, thalloid protonema and the leafy, erect gametophore are the two distinct forms that make up the gametophytic plant body.
2. Simple multicellular scales and unicellular rhizoids are seen on the vebtral surface of the thallus. The multicellular rhizoids have oblique septa dividing them into branches.
3. The dorsal surface of the thallus contains the sex organs, which grow from superficial cells. The superficial cells near the tip of the leafy gametophyte give rise to the sex organs.
4. Elaters are often found in most cases, but not in Riccha. There are no elaters.
5. There are no stomata on the capsule's wall. Sporophyte has stomata for gaseous exchange.
6. The capsule dehisces unevenly. Dehiscence is regular
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Chapter 3: Plant Kingdom - EXERCISES [Page 36]

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NCERT Biology [English] Class 11
Chapter 3 Plant Kingdom
EXERCISES | Q 9. (ii) | Page 36

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